bids are invited for provn of ro plant 500 ltr , ro plant shed of size 3m x 3m , double layered cylindrical vertical type water tanks 2000 ltr , double layered cylindrical vertical type water tanks 500 ltr , water tank staging , gi pipe 20 mm dia , tank nipple 20 mm dia , float valve brass 20mm , gi nipple 150mm , gi socket 20mm , gi elbow 20mm , ge tee 20mm , gi union 20mm , bib cock cp brass alloy 20mm , gate valve brass 20mm , 1100 v grade fr pvc insulated copper conductor , led tube light fittings 20w , pvc rectangular block for mounting switches , switch socket combination 15 oblique 16a , switch piano type 5a , pvc casing and capping of size 25mm , pvc t junction box for pvc , elbow pvc for casing caping , insulation tape , mcb db made of steel sheet , mcb spn 32 , mcb sp 10 , 32 on load change over switch , voltage stabilizer 3 kva total quantity : 675